Home / 54,731.62-75,529.06-30,866.01

Finding the Fourth Proportional to 54,731.62, 75,529.06 and 30,866.01

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Solution

The fourth proportional to 54,731.62, 75,529.06 and 30,866.01 is: 42,594.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,731.62 : 75,529.06 = 30,866.01 : x
  2. Step 2: Convert to fraction form
    54,731.62/75,529.06 = 30,866.01/x
  3. Step 3: Cross multiply
    54,731.62x = 75,529.06 × 30,866.01
  4. Step 4: Simplify right side
    54,731.62x = 2,331,280,721.25
  5. Step 5: Solve for x
    x = 2,331,280,721.25/54,731.62
  6. Step 6: Final answer
    x = 42,594.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.